With this patch, phy_id can be one of the following:
1) NULL : use the first phy on the bus,
2) "" : force to 100/full, no mdio control
3) "<bus>:<addr>" : use the specified bus and phy
The ability to force 100/full is necessary on some platforms (e.g. da830 evm),
where an on-board switch may be connected on the emac mii.
Signed-off-by: Cyril Chemparathy <cyril@xxxxxx>
Signed-off-by: Michael Williamson <michael.williamson@xxxxxxxxxxxxxxxx>
Signed-off-by: Caglar Akyuz <caglarakyuz@xxxxxxxxx>
---
drivers/net/davinci_emac.c | 2 +-
include/linux/davinci_emac.h | 7 +++++++
2 files changed, 8 insertions(+), 1 deletions(-)
diff --git a/drivers/net/davinci_emac.c b/drivers/net/davinci_emac.c
index 525b84c..363c970 100644
--- a/drivers/net/davinci_emac.c
+++ b/drivers/net/davinci_emac.c
@@ -1566,7 +1566,7 @@ static int emac_dev_open(struct net_device *ndev)
priv->phy_id = dev_name(phy);
}
- if (priv->phy_id) {
+ if (priv->phy_id && *priv->phy_id) {
priv->phydev = phy_connect(ndev, priv->phy_id,
&emac_adjust_link, 0,
PHY_INTERFACE_MODE_MII);
diff --git a/include/linux/davinci_emac.h b/include/linux/davinci_emac.h
index 7508e49..9ae9ff0 100644
--- a/include/linux/davinci_emac.h
+++ b/include/linux/davinci_emac.h
@@ -25,6 +25,13 @@ struct emac_platform_data {
u32 ctrl_ram_offset;
u32 hw_ram_addr;
u32 ctrl_ram_size;
+
+ /*
+ * phy_id can be one of the following:
+ * - NULL : use the first phy on the bus,
+ * - "" : force to 100/full, no mdio control
+ * - "<bus>:<addr>" : use the specified bus and phy
+ */
const char *phy_id;
u8 rmii_en;
u8 version;
--
1.7.0.4
--
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